CN115498305B - Lithium battery solvent recovery device based on green membrane separation technology - Google Patents
Lithium battery solvent recovery device based on green membrane separation technology Download PDFInfo
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- CN115498305B CN115498305B CN202211443354.4A CN202211443354A CN115498305B CN 115498305 B CN115498305 B CN 115498305B CN 202211443354 A CN202211443354 A CN 202211443354A CN 115498305 B CN115498305 B CN 115498305B
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- 239000012528 membrane Substances 0.000 title claims abstract description 56
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 55
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000002904 solvent Substances 0.000 title claims abstract description 52
- 238000000926 separation method Methods 0.000 title claims abstract description 19
- 238000011084 recovery Methods 0.000 title claims abstract description 18
- 238000005516 engineering process Methods 0.000 title claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 85
- 239000003960 organic solvent Substances 0.000 claims abstract description 44
- 238000002955 isolation Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000007599 discharging Methods 0.000 claims abstract description 18
- 230000004888 barrier function Effects 0.000 claims description 22
- 210000000078 claw Anatomy 0.000 claims description 20
- 230000009471 action Effects 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000012958 reprocessing Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 24
- 239000003792 electrolyte Substances 0.000 abstract description 18
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 17
- 239000008187 granular material Substances 0.000 description 14
- 239000002245 particle Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000004904 shortening Methods 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 150000002641 lithium Chemical class 0.000 description 2
- 230000001698 pyrogenic effect Effects 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/54—Reclaiming serviceable parts of waste accumulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a lithium battery solvent recovery device based on a green membrane separation technology, which relates to the technical field of lithium battery recovery and comprises a sealing box, wherein an isolation membrane and a grid are arranged inside the sealing box, a driving part is arranged below the sealing box, a driving assembly and a discharging assembly are arranged inside the driving part, the driving assembly is connected with the grid through the discharging assembly, a follow-up part is arranged inside the sealing box, the follow-up part comprises an amplifying assembly, a connecting assembly and a cleaning assembly, and the isolation membrane is connected with the grid through the amplifying assembly and the connecting assembly. According to the invention, the efficiency and effect of extracting the solvent in the electrolyte by the organic solvent are improved through the grid, the probability of blocking is reduced when the solvent passes through the grid, the protective effect of the grid on the isolating membrane is further improved, the absorption effect of the organic solvent on the solvent in the electrolyte is improved by the follow-up part, and the automation degree of the sealing box during the working period is improved by the driving part.
Description
Technical Field
The invention relates to the technical field of lithium battery recovery, in particular to a lithium battery solvent recovery device based on a green membrane separation technology.
Background
The existing lithium battery recovery technology mainly comprises two methods for recovering a solvent in an electrolyte in a lithium battery, wherein the solvent in the electrolyte is treated by a pyrogenic process, the pyrogenic process thermal decomposition process is simple, the operation is convenient, and the electrolyte (electrolyte) and a binder can be effectively removed. However, the thermal decomposition process inevitably generates a large amount of toxic and harmful gases, and if the gases are improperly absorbed and purified, serious secondary pollution is easily caused, and the other method is an organic solvent dissolving method, namely a method for separating a positive electrode material, a negative electrode material and a copper aluminum foil, wherein an electrolyte is dissolved out by using organic solvents such as dichloromethane, chloroform, acetone, ethanol and the like, and then the electrolyte and the solvent are separated by distillation.
Current lithium battery solvent recovery unit need place the lithium cell after the breakage inside organic solvent, passes through the membrane separation technique afterwards, realizes the solvent phase separation of the broken discarded object of lithium cell and inside electrolyte, and in the disengaging process, the outer wall edge of the broken discarded object of lithium cell is comparatively sharp for the broken discarded object of lithium cell leads to the separating membrane easily to receive the destruction during solution internal mixing, and then influences the final separation effect of separating membrane under the motion state.
Disclosure of Invention
The invention aims to provide a lithium battery solvent recovery device based on a green membrane separation technology, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a lithium battery solvent recovery device based on a green membrane separation technology comprises a sealing box, wherein an isolation membrane and a grid are arranged inside the sealing box, a driving part is arranged below the sealing box, a driving assembly and a discharging assembly are arranged inside the driving part, the driving assembly is connected with the grid through the discharging assembly, the driving assembly is used for controlling the grid to rotate inside the isolation membrane, and the discharging assembly is used for collecting materials leaving inside the sealing box;
the inside of the seal box is provided with a follow-up component, the follow-up component comprises an amplifying component, a connecting component and a cleaning component, the isolation film is connected with the grid through the amplifying component and the connecting component, the cleaning component is used for cleaning the grid and reprocessing materials in the grid, the amplifying component is used for connecting the cleaning component and the connecting component, the cleaning component is used for cleaning the grid, the amplifying component amplifies the motion stroke input by the connecting component, the connecting component is used for cleaning the inner wall surface of the isolation film, the upper end and the lower end of the seal box are respectively provided with a box cover, a side wall and a bottom plate, the upper end of the box cover is provided with a feed inlet, the materials to be processed are conveyed into the grid through the feed inlet, the internal environment of the seal box is controlled to be in a state suitable for separating organic solvents in the lithium battery through auxiliary equipment, organic solvents are continuously input into the seal box through the feed inlet, the organic solvents are mainly used for absorbing electrolytes in the lithium battery, the organic solvents are contained in the electrolytes, the organic solvents are separated from the battery structure, the side wall is provided with a solvent outlet, and the organic solvents are continuously input into the seal box during working period, the organic solvents are absorbed in the seal box, and then enter the seal box, the organic solvents or enter the seal box, the organic solvents, and are controlled to leave the organic solvents, and then enter the organic solvents; the sealing box adopts an organic solvent dissolving method to extract electrolyte, so that the retired lithium battery is further recycled, and the sealing box is green, environment-friendly and pollution-free in the recycling process of the lithium battery.
Further, barrier film and graticule mesh all are ring shape, the graticule mesh is eccentric installation in the inside of barrier film, be eccentric settings between barrier film and the graticule mesh between the two, realize the graticule mesh during the inside rotary motion that carries out of barrier film, the graticule mesh carries out the disturbance to the organic solvent in barrier film and graticule mesh clearance, organic solvent and the little granule separation of lithium cell accelerate, and each regional distance between barrier film and the graticule mesh between the two constantly changes, for the follow-up part provides power, the main function of barrier film lies in separating the liquid phase of solvent and little volume granule and partial electrolyte, the graticule mesh main function lies in cutting off little volume granule and bulky granule.
Further, the cleaning assembly comprises a main board installed inside the grid, a sleeve is arranged on one side of the main board and connected with the amplifying assembly, side plates are installed on two sides of the sleeve, one end of each side plate is connected with the amplifying assembly through a spring shaft, the distance between each cleaning plate and the grid is continuously shortened, so that the cleaning plates push a main pipe to move towards the inside of the grid, the two sides of one end of each main pipe, which is located inside the grid, are installed and connected with the side plates, one end of each side plate is attached to the inner wall of the grid, the other end of each side plate follows the inner wall of the main pipe, which is far away from the grid, one end of each side plate slides on the inner wall of the grid, a cleaning structure is arranged on one side, which is attached to the grid, of each side plate is provided with a cleaning structure, and during the sliding of one end of each side plate on the inner wall of the grid, the cleaning structures on the side plates clean the inner walls of the grid, the sleeve pipe moves to the follow-up part of relative direction under coupling assembling's effect, the sleeve pipe is kept away from the one end of being responsible for and is installed the mainboard, when coupling assembling moves to the graticule mesh and the distance between the barrier film is the shortest, coupling assembling reaches when the effect of clearance subassembly reaches the biggest through enlarging the subassembly, be connected between the mainboard in mainboard and the relative direction follow-up part this moment, laminate through the clamp plate between the mainboard, in connection earlier stage between the mainboard, the collection claw of mainboard both sides is collected the broken lithium cell on the route, the mainboard that the relative direction of last cooperation set up, two mainboards will collect the broken lithium cell that the claw was collected and carry out the secondary destruction, so that the inside organic solvent of lithium cell after the graticule mesh fuses with the inside organic solvent of secondary breakage, and then realize that the inside organic solvent of lithium cell to retrieve.
The main pipe penetrates through the grid, two areas are horizontally distributed in the main pipe, the two areas are a thin-diameter area and a thick-diameter area respectively, hydraulic oil is arranged in the thin-diameter area and the thick-diameter area, the thin-diameter area is connected with the sleeve, two sides of the main pipe are connected with the side plate through spring shafts, the thick-diameter area is connected with the connecting assembly, the follower rod is located in the thick-diameter area in the main pipe, the sleeve is located in the thin-diameter area in the main pipe, the hydraulic oil in the thick-diameter area moves towards the thin-diameter area along with the increase of the length of the follower rod penetrating into the main pipe, the inner diameter of the thin-diameter area is smaller than the inner diameter of the thick-diameter area, the length of the follower rod penetrating into the main pipe is smaller than the length of the sleeve far away from the main pipe, the follower rod is input to the stroke of the amplifying assembly, the stroke of the sleeve under the action of the amplifying assembly is amplified, the outer wall of the main pipe contacts with the cleaning plate after the follower rod completely penetrates into the main pipe, the main pipe is in sliding connection with the main pipe, the main pipe is vertically mounted on the outer wall of the grid, the main pipe, the sleeve moves to the side plate, the sleeve, the side plate is completely matched with the follower rod, and the side plate is far away from the main pipe, the side plate, the main pipe, the servo rod is matched with the grid, and the side plate.
Furthermore, the connecting assembly comprises a follower rod arranged inside the large-diameter area, a cleaning plate is arranged at the other end of the follower rod, the outer wall of one side of the cleaning plate is attached to the inner wall of the isolating membrane, the cleaning plate is used for cleaning the inner wall of the isolating membrane, a supporting frame is arranged on the outer wall of the isolating membrane, the supporting frame is used for supporting the isolating membrane, an annular sliding groove is formed in the upper end of the supporting frame, the cleaning plate is connected with the supporting frame through the annular sliding groove, the follower rod and the cleaning plate are arranged inside the connecting assembly during the shortening of the distance assembly between the follower component and the isolating membrane, the cleaning plate deflects by taking the grid mesh as the center of a circle, during the deflection of the cleaning plate, the surface of one side of the cleaning plate is always attached to the inner wall of the isolating membrane, the cleaning plate slides inside the isolating membrane during the movement of the grid inside the isolating membrane, a cleaning structure is arranged on one side of the cleaning plate, the cleaning structure cleans attachments on the surface of the inner wall of the isolating membrane, and the cleaning plate penetrates deeper into the main pipe along with the shortening of the distance between the cleaning plate and the grid.
Furthermore, the discharge assembly comprises an annular pipe arranged below the inside of the grid, the diameter of the outer wall of the annular pipe is equal to the inside diameter of the grid, a filter screen is arranged inside the annular pipe, a piston is arranged at the lower end of the filter screen, a control rod is arranged on one side of the piston, the piston is connected with a bottom plate of the seal box through the control rod, a disassembly structure is formed between the annular pipe and the bottom plate of the seal box, during the discharge work, the control rod controls the piston to descend relative to the bottom plate of the seal box until a gap appears between the piston and the annular pipe, the solvent inside the seal box leaves through the gap, particles inside the isolation film and the grid can be collected by the filter screen under the action of the solvent in a flowing state until all the solvent inside the seal box leaves, then the annular pipe is disassembled, the inside of a space formed by the annular pipe and the filter screen is a crushed lithium battery, a discharge pipe is arranged on one side of the annular pipe and is connected with a pipeline, the solvent inside the seal box can leave through the discharge pipe after passing through the filter screen, the upper end of the annular pipe is located inside the grid, the annular pipe, the driving assembly drives the grid, the isolation film is connected with the side wall of the seal box through a support frame, and further realizes that the grid rotates inside the isolation film.
Furthermore, the graticule mesh is inside to be provided with a plurality of groups of clearance subassemblies, the clearance subassembly is the inside of encircleing distribution and graticule mesh, contact through the sideboard between the clearance subassembly, the follow-up part is the setting of even number in graticule mesh inside to realize that the relative direction of arbitrary one follow-up part is provided with a follow-up subassembly, the clearance subassembly is under the effect of enlarged subassembly and coupling assembling, and the mainboard is at the inside motion period of graticule mesh, and the effect that the mainboard incidentally disturbed the inside solvent of graticule mesh and flows, absorbs to the solvent of organic solvent to electrolyte to and the absorption rate of organic solvent with higher speed.
Further, the one end of sideboard is laminated with the inner wall of graticule mesh mutually, the sideboard is provided with the clearance structure with one side that the graticule mesh was laminated mutually, the clearance structure is used for clearing up the inner wall of graticule mesh, and the distance between clearance board and the graticule mesh constantly shortens for the clearance board promotes to be responsible for to the inside motion of graticule mesh, is responsible for the both sides installation and the sideboard that is located the inside one end of graticule mesh, and the one end of sideboard is laminated with the inner wall of graticule mesh mutually, and the inner wall of being responsible for keeping away from the graticule mesh is followed to the other end of sideboard, makes the one end of sideboard slide on the inner wall of graticule mesh, the sideboard is provided with the clearance structure with one side that the graticule mesh was laminated mutually, and during the one end of sideboard slides on the inner wall of graticule mesh, clearance structure on the sideboard clears up the inner wall of graticule mesh, avoids the lithium cell granule after the breakage to adhere to on the inner wall of graticule mesh, influences the filter effect of graticule mesh, and secondly the sideboard is installed in the both sides of being responsible for under the pulling of being responsible for, is kept away from the connection subassembly, and is provided with the scraper blade, and is preferable to carry out the clearance structure, and is provided with the isolation film to the realization during the clearance structure.
Further, a side surface of mainboard is provided with the clamp plate, the clamp plate is the wave, collect the claw is installed to the both sides of mainboard, stagger each other between the collection claw of mainboard both sides, in connection earlier stage between the mainboard, the collection claw of mainboard both sides is collected the broken lithium cell on the route, the mainboard is under sheathed tube promotion, the mainboard that sets up to the opposite direction in the graticule mesh is close to mutually, the mainboard that the relative direction of last cooperation set up, two mainboards carry out secondary destruction with the broken lithium cell of collecting claw collection, so that the inside organic solvent of graticule mesh fuses with the inside organic solvent of lithium cell after the secondary breakage, and then realize that the inside organic solvent of right lithium cell retrieves, it opens the design to collect the claw, make and collect the claw during advancing, in order to restrict the bulky granule on the route of acting on the mainboard both sides in the collection claw, improve the crushing effect of bulky granule, the collection claw dislocation set of both sides, avoid during the mainboard laminating, relative conflict appears in the position of collecting the claw, secondly, the setting of wavy in the clamp plate outside, carry out the bulky granule on the horizontal direction on the clamp plate, further improve the crushing effect of bulky granule.
Compared with the prior art, the invention has the following beneficial effects:
1. this lithium battery solvent recovery unit based on green membrane separation technique, through the setting of barrier film and graticule mesh, the barrier film separates little volume granule and solvent, the graticule mesh separates little volume granule and bulky volume granule, avoid bulky volume granule and barrier film direct contact, the graticule mesh is eccentric state and rotates inside the barrier film, the solvent flow of disturbance seal box inside, improve the efficiency and the effect that organic solvent extracted the inside solvent of electrolyte, the solvent passes the graticule mesh and reduces the probability of jam, and then improve the protective effect of graticule mesh to the barrier film, reduce the natural loss of seal box during operation, and realize that the seal box is convenient for clear up under the setting of barrier film and graticule mesh;
2. this lithium cell solvent recovery unit based on green membrane separation technique, through the setting of follow-up part, coupling assembling mainly transmits kinetic energy for enlarged assembly and clearance subassembly, realize the kinetic energy transmission of graticule mesh, improve the energy efficiency ratio of seal box, and the clearance effect to the barrier film inner wall by way, improve the separation efficiency of barrier film, wherein enlarged assembly enlargies coupling assembling's input stroke, export through clearance subassembly after then, improve the cooperation between the follow-up part inner structure, enlarged assembly cooperates the sideboard to realize the clearance of graticule mesh, improve the restriction effect and the protection effect of graticule mesh, secondly, clearance subassembly subsidiary inside the graticule mesh solvent accelerated flow, and to the secondary crushing of the bulky granule inside the graticule mesh, further improve the absorption effect of organic solvent to the solvent inside the electrolyte, follow-up part improves the work efficiency of seal box;
3. this lithium battery solvent recovery unit based on green membrane separation technique, setting through driver part, driver component passes through ejection of compact subassembly and transmits the graticule mesh, ejection of compact subassembly is realized under the effect that the solvent flows, make the broken thing of lithium battery flow to ring canal department automatically under the drive of the liquid that flows, ring canal cooperation filter screen is collected the broken thing of lithium battery of seal box inside, improve the collection effect of ejection of compact subassembly, reduce artifical process of participating in, improve the degree of automation of seal box during operation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic top view of a seal box of the present invention in full section;
FIG. 2 is a schematic top view of the separator of the present invention;
FIG. 3 is a front elevational view in full section of the seal box of the present invention;
FIG. 4 is a schematic view of the main cross-section of the grommet of the present invention;
FIG. 5 is a schematic front elevational view in full section with the structural collar of the present invention separated from the piston;
FIG. 6 is an enlarged schematic view of the invention at A in FIG. 1;
FIG. 7 is an enlarged view of the structure of FIG. 2 at B of the present invention;
FIG. 8 is an enlarged view of the structure of FIG. 3 at C in accordance with the present invention;
FIG. 9 is a top plan full section schematic view of an enlarged assembly of the present invention;
fig. 10 is a partial front view structure schematic diagram of the follow-up part of the invention.
In the figure: 1. a sealing box; 2. an isolation film; 3. grid forming; 4. a drive assembly; 5. a discharging assembly; 501. a ring pipe; 502. filtering with a screen; 503. a piston; 504. a control lever; 6. an amplifying assembly; 601. a main pipe; 611. a small diameter region; 612. a large diameter region; 7. a connecting assembly; 701. a follower rod; 702. cleaning the plate; 8. cleaning the assembly; 801. a main board; 8011. pressing a plate; 8012. a collecting claw; 802. a sleeve; 803. and (7) a side plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: a lithium battery solvent recovery device based on a green membrane separation technology comprises a seal box 1, wherein an isolation membrane 2 and a grid 3 are arranged inside the seal box 1, a driving part is installed below the seal box 1, a driving component 4 and a discharging component 5 are arranged inside the driving part, the driving component 4 is connected with the grid 3 through the discharging component 5, the driving component 4 is used for controlling the grid 3 to rotate inside the isolation membrane 2, and the discharging component 5 is used for collecting materials leaving inside the seal box 1;
the follow-up component is arranged in the seal box 1 and comprises an amplifying component 6, a connecting component 7 and a cleaning component 8, the isolation membrane 2 is connected with the grid 3 through the amplifying component 6 and the connecting component 7, the cleaning component 8 is used for cleaning the grid 3 and reprocessing materials in the grid 3, the amplifying component 6 is used for connecting the cleaning component 8 and the connecting component 7, the cleaning component 8 is used for cleaning the grid 3, the amplifying component 6 amplifies a movement stroke input by the connecting component 7, and the connecting component 7 is used for cleaning the inner wall surface of the isolation membrane 2;
the isolation film 2 and the grid 3 are both circular rings, the grid 3 is eccentrically installed in the isolation film 2, the isolation film 2 separates small-volume particles from a solvent, the grid 3 separates the small-volume particles from large-volume particles, the large-volume particles are prevented from being in direct contact with the isolation film 2, the grid 3 rotates in the isolation film 2 in an eccentric state, the solvent in the sealing box 1 flows in a disturbed mode, the efficiency and the effect of extracting the solvent in electrolyte by an organic solvent are improved, the solvent penetrates through the grid 3 to reduce the probability of blockage, the protection effect of the grid 3 on the isolation film 2 is further improved, the natural loss of the sealing box 1 in the working period is reduced, and the sealing box 1 is convenient to clean under the arrangement of the isolation film 2 and the grid 3;
the cleaning assembly 8 comprises a main board 801 arranged in the grid 3, a sleeve 802 is arranged on one side of the main board 801, the sleeve 802 is connected with the amplifying assembly 6, side boards 803 are arranged on two sides of the sleeve 802, and one end of each side board 803 is connected with the amplifying assembly 6 through a spring shaft;
the amplifying assembly 6 comprises a main pipe 601, the main pipe 601 penetrates through the grid 3, two areas are horizontally distributed in the main pipe 601, the two areas are a small-diameter area 611 and a large-diameter area 612 respectively, hydraulic oil is arranged in the small-diameter area 611 and the large-diameter area 612, the small-diameter area 611 is connected with the sleeve 802, two sides of the main pipe 601 are connected with the side plate 803 through spring shafts, and the large-diameter area 612 is connected with the connecting assembly 7;
the connecting assembly 7 comprises a follower rod 701 installed in the large-diameter area 612, a cleaning plate 702 is installed at the other end of the follower rod 701, the outer wall of one side of the cleaning plate 702 is attached to the inner wall of the isolating membrane 2, the cleaning plate 702 is used for cleaning the inner wall of the isolating membrane 2, a support frame is installed on the outer wall of the isolating membrane 2 and used for supporting the isolating membrane 2, an annular sliding groove is formed in the upper end of the support frame, the cleaning plate 702 is connected with the support frame through the annular sliding groove, the connecting assembly 7 mainly transmits kinetic energy for the amplifying assembly 6 and the cleaning assembly 8, so that kinetic energy transmission of the grid 3 is realized, the energy efficiency ratio of the seal box 1 is improved, the cleaning effect on the inner wall of the isolating membrane 2 is achieved additionally, the separation efficiency of the isolating membrane 2 is improved, the amplifying assembly 6 amplifies the input stroke of the connecting assembly 7 and then outputs the amplified kinetic energy through the cleaning assembly 8, the cooperation between the internal structures of the follow-up components is improved, the amplifying assembly 6 cooperates with a side plate 803 to achieve cleaning of the grid 3, the limiting effect and the protection effect of the grid 3 are improved, the secondary solvent absorption effect of the seal box on the secondary solvent of the organic solvent is further improved, and the secondary solvent absorption efficiency of the organic solvent box is improved;
the discharging component 5 comprises an annular pipe 501 arranged below the grid 3, the diameter of the outer wall of the annular pipe 501 is equal to the inner diameter of the grid 3, a filter screen 502 is arranged inside the annular pipe 501, a piston 503 is arranged at the lower end of the filter screen 502, a control rod 504 is arranged on one side of the piston 503, the piston 503 is connected with a bottom plate of the sealing box 1 through the control rod 504, a dismounting structure is formed between the annular pipe 501 and the bottom plate of the sealing box 1, the driving component 4 drives the grid 3 through the discharging component 5, the discharging component 5 enables the broken lithium battery objects to automatically flow to the annular pipe 501 under the driving of flowing liquid under the flowing action of the solvent, the annular pipe 501 is matched with the filter screen 502 to collect the broken lithium battery objects inside the sealing box 1, the collecting effect of the discharging component 5 is improved, the manual participation process is reduced, and the automation degree of the sealing box 1 during working is improved;
a plurality of groups of cleaning assemblies 8 are arranged in the grid 3, the cleaning assemblies 8 are distributed in a surrounding manner and are in contact with the inside of the grid 3 through side plates 803;
one end of the side plate 803 is attached to the inner wall of the grid net 3, and one side of the side plate 803, which is attached to the grid net 3, is provided with a cleaning structure which is used for cleaning the inner wall of the grid net 3;
the pressing plate 8011 is arranged on the surface of one side of the main plate 801, the pressing plate 8011 is wavy, the collecting claws 8012 are arranged on two sides of the main plate 801, and the collecting claws 8012 on the two sides of the main plate 801 are staggered.
The working principle of the invention is as follows: the upper end and the lower end of the sealing box 1 are respectively provided with a box cover, a side wall and a bottom plate, the upper end of the box cover is provided with a feed inlet, materials to be processed are conveyed into the grid 3 through the feed inlet, the internal environment of the sealing box 1 is controlled by auxiliary equipment to be changed into a state suitable for separating the organic solvent in the lithium battery, and the organic solvent is continuously input into the sealing box 1 through the feed inlet, is mainly used for absorbing electrolyte in the lithium battery, and is separated from the battery structure, a solvent outlet is formed in the side wall, during the working period of the sealing box 1, the organic solvent in the sealing box 1 absorbs the organic solvent in the battery and then leaves through the solvent outlet, or the sealing box 1 is controlled to enter a sealing state, and sufficient organic solvent is input into the isolation film 2;
after the organic solvent is input into the sealing box 1, the driving assembly 4 can control the bottom plate to move, so that the bottom plate rotates by taking the center of a circle of the bottom plate as a rotating center of a circle, an annular pipe 501 is arranged at the upper end of the bottom plate, the diameter of the outer wall of the annular pipe 501 is the same as that of the inner wall of the grid 3, the annular pipe 501 is positioned on one side of the center of a circle of the bottom plate, and the bottom plate drives the grid 3 to rotate inside the isolating membrane 2 through the annular pipe 501;
the grid 3 is installed in the isolating membrane 2 in an eccentric state, under the drive of the bottom plate in a rotating state, the grid 3 rotates by taking the isolating membrane 2 as a circle center, the isolating membrane 2 is connected with the grid 3 through the amplifying assembly 6 and the connecting assembly 7, a plurality of groups of follow-up components are arranged in the isolating membrane 2, the isolating membrane 2 is connected with the grid 3 through the amplifying assembly 6 and the connecting assembly 7, when the grid 3 is positioned on any one side of the inner wall of the isolating membrane 2, two follow-up components are arranged on a straight line connecting the isolating membrane 2 and the closest point of the grid 3, one follow-up component is positioned on one side of the grid 3 close to the isolating membrane 2, at the moment, a cleaning component 8 in the follow-up component is in an extending state, the two follow-up components are arranged in opposite directions, and the cleaning component 8 of the follow-up component arranged in the opposite directions is in a contracting state;
the cleaning assembly 8 is a follow-up component in a contracted state (the follow-up component is described as a main body in the following), at this time, the two side plates 803 of the main pipe 601 are in an expanded state, the tail ends of the side plates 803 are attached to the inner wall of the grid 3, one end of the sleeve 802 is positioned inside the main pipe 601, and the grid 3 is driven by the bottom plate to rotate inside the isolating membrane 2, so that the distance assembly between the area where the follow-up component is positioned on the grid 3 and the isolating membrane 2 is shortened;
during the shortening of the distance component between the follow-up member and the isolation diaphragm 2, a follow-up rod 701 and a cleaning plate 702 are arranged inside the connecting component 7, wherein the cleaning plate 702 deflects with the grid 3 as a center of a circle, and during the deflection of the cleaning plate 702, one side surface of the cleaning plate 702 is always attached to the inner wall of the isolation diaphragm 2, so that the cleaning plate 702 slides inside the isolation diaphragm 2 during the movement of the grid 3 inside the isolation diaphragm 2, a cleaning structure is arranged on one side of the cleaning plate 702, the cleaning structure cleans attachments on the inner wall surface of the isolation diaphragm 2, and then along with the continuous shortening of the distance between the cleaning plate 702 and the grid 3, the follow-up rod 701 on the side of the cleaning plate 702 close to the grid 3 is deep into the main pipe 601, the closer the distance between the cleaning plate 702 and the grid 3 is, the longer the length of the follow-up rod 701 deep into the main pipe 601 is;
two areas are horizontally distributed in the main pipe 601, the two areas are a small-diameter area 611 and a large-diameter area 612 respectively, hydraulic oil is arranged in the small-diameter area 611 and the large-diameter area 612, the follower rod 701 is located in the large-diameter area 612 in the main pipe 601, the sleeve 802 is located in the small-diameter area 611 in the main pipe 601, the hydraulic oil in the large-diameter area 612 moves towards the small-diameter area 611 along with the increase of the length of the follower rod 701 penetrating into the main pipe 601, the length of the follower rod 701 penetrating into the main pipe 601 is smaller than the length of the sleeve 802 far away from the main pipe 601 due to the fact that the inner diameter of the small-diameter area 611 is smaller than the inner diameter of the large-diameter area 612, the stroke of the follower rod 701 input to the amplifying assembly 6 is amplified, the stroke of the sleeve 802 acted by the amplifying assembly 6 is enlarged, the outer wall of the main pipe 601 is in contact with the cleaning plate 702 after the follower rod 701 penetrates into the main pipe 601 completely, the main pipe 601 is in a sliding connection mode, and the main pipe 601 is in a sliding connection with the grid 3, and the main pipe 601 is vertically arranged on the outer wall of the grid 3;
the distance between the cleaning plate 702 and the grid 3 is continuously shortened, so that the cleaning plate 702 pushes the main pipe 601 to move towards the inside of the grid 3, the main pipe 601 is positioned at two sides of one end inside the grid 3 and is installed on the side plate 803, one end of the side plate 803 is attached to the inner wall of the grid 3, the other end of the side plate 803 is attached to the inner wall of the grid 3 along with the main pipe 601, so that one end of the side plate 803 slides on the inner wall of the grid 3, a cleaning structure is arranged at one side of the side plate 803 attached to the grid 3, and during the sliding of one end of the side plate 803 on the inner wall of the grid 3, the cleaning structure on the side plate 803 cleans the inner wall of the grid 3;
the sleeve 802 moves towards the follow-up part in the opposite direction under the action of the connecting assembly 7, a main board 801 is installed at one end, far away from the main pipe 601, of the sleeve 802, when the connecting assembly 7 moves to the shortest distance between the grid 3 and the isolating membrane 2, and the connecting assembly 7 achieves the maximum effect on the cleaning assembly 8 through the amplifying assembly 6, at this time, the main board 801 is connected with the main board 801 in the follow-up part in the opposite direction, the main boards 801 are attached through a pressing plate 8011, in the early stage of connection between the main boards 801, the collection claws 8012 on two sides of the main board 801 collect crushed lithium batteries in the path, and finally the main boards 801 arranged in the opposite direction are matched, and the two main boards 801 secondarily destroy the crushed lithium batteries collected by the collection claws 8012, so that the organic solvent in the grid 3 is conveniently fused with the organic solvent in the lithium batteries after secondary crushing, and further the organic solvent in the lithium batteries is recycled;
the grid 3 mainly acts on limiting large-volume particles in the crushed lithium battery, small-volume particles in the crushed lithium battery leave through gaps of the grid 3 and enter an area where the grid 3 and the isolation film 2 are located, part of small-volume particles still remain in the grid 3, a solvent can freely enter and exit the isolation film 2, and the isolation film 2 mainly acts on limiting small-volume particles in the isolation film 2;
along with the time lapse, the organic solvent in the seal box 1 is used for extracting the solvent in the lithium battery, and then discharging work can be carried out, the control rod 504 controls the piston 503 to descend relative to the bottom plate of the seal box 1 until a gap appears between the piston 503 and the ring pipe 501, the solvent in the seal box 1 leaves through the gap, particles in the isolation film 2 and the grid net 3 are collected by the filter screen 502 under the action of the solvent in the flowing state until the solvent in the seal box 1 completely leaves, then the ring pipe 501 is disassembled, and the space formed by the ring pipe 501 and the filter screen 502 is the crushed lithium battery.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a lithium cell solvent recovery unit based on green membrane separation technique, includes seal box (1), its characterized in that: an isolation film (2) and a grid net (3) are arranged inside the sealing box (1), a driving component is installed below the sealing box (1), a driving component (4) and a discharging component (5) are arranged inside the driving component, the driving component (4) is connected with the grid net (3) through the discharging component (5), the driving component (4) is used for controlling the grid net (3) to rotate inside the isolation film (2), and the discharging component (5) is used for collecting materials leaving inside the sealing box (1);
a follow-up component is arranged in the sealing box (1), the follow-up component comprises an amplifying component (6), a connecting component (7) and a cleaning component (8), the isolating membrane (2) is connected with the grid (3) through the amplifying component (6) and the connecting component (7), the cleaning component (8) is used for cleaning the grid (3) and reprocessing materials in the grid (3), the amplifying component (6) is used for connecting the connecting component (7) and the cleaning component (8), the amplifying component (6) amplifies a motion stroke input by the connecting component (7), and the connecting component (7) is used for cleaning the inner wall surface of the isolating membrane (2);
the discharging assembly (5) comprises an annular pipe (501) arranged below the inner part of the grid (3), the diameter of the outer wall of the annular pipe (501) is equal to the inner diameter of the grid (3), a filter screen (502) is arranged inside the annular pipe (501), a piston (503) is arranged at the lower end of the filter screen (502), a control rod (504) is arranged on one side of the piston (503), the piston (503) is connected with the bottom plate of the seal box (1) through the control rod (504), and a disassembly structure is formed between the annular pipe (501) and the bottom plate of the seal box (1);
the upper end and the lower end of the seal box (1) are respectively provided with a box cover, a side wall and a bottom plate, the driving assembly (4) controls the bottom plate to move, so that the bottom plate rotates by taking the self circle center as a rotating circle center, and the bottom plate drives the grid (3) to rotate in the isolation film (2) through an annular pipe (501);
the cleaning assembly (8) comprises a main board (801) arranged in the grid (3), a sleeve (802) is arranged on one side of the main board (801), the sleeve (802) is connected with the amplifying assembly (6), side plates (803) are arranged on two sides of the sleeve (802), and one end of each side plate (803) is connected with the amplifying assembly (6) through a spring shaft;
a plurality of groups of cleaning assemblies (8) are arranged in the grid (3), the cleaning assemblies (8) are distributed in the grid (3) in a surrounding manner, and the cleaning assemblies (8) are in contact with each other through side plates (803);
one end of the side plate (803) is attached to the inner wall of the grid mesh (3), one side of the side plate (803) attached to the grid mesh (3) is provided with a cleaning structure, and the cleaning structure is used for cleaning the inner wall of the grid mesh (3);
a pressing plate (8011) is arranged on the surface of one side of the main plate (801), the pressing plate (8011) is wavy, collecting claws (8012) are arranged on two sides of the main plate (801), and the collecting claws (8012) on the two sides of the main plate (801) are staggered;
the sleeve (802) moves towards the follow-up part in the opposite direction under the action of the connecting assembly (7), when the distance between the connecting assembly (7) and the grid (3) and the isolating membrane (2) is shortest, the main boards (801) and the main boards (801) in the follow-up part in the opposite direction are connected, the main boards (801) are attached through the pressing plate (8011), the main boards (801) are connected in the early stage, the broken lithium batteries on the path are collected by the collecting claws (8012) on two sides of the main boards (801), and finally the main boards (801) arranged in the opposite direction are matched, the broken lithium batteries collected by the collecting claws (8012) are secondarily broken by the two main boards (801), so that the organic solvent in the grid (3) and the organic solvent in the lithium batteries after secondary breaking are fused.
2. The lithium battery solvent recovery device based on green membrane separation technology as claimed in claim 1, wherein: enlarge subassembly (6) including being responsible for (601), be responsible for (601) and run through graticule mesh (3), be responsible for (601) inside horizontal distribution has two regions, two the region is regional (611) of thin footpath and thick footpath (612) respectively, the regional (611) of thin footpath and the regional (612) inside hydraulic oil that is provided with of thick footpath, thin footpath is regional (611) and is connected with sleeve pipe (802), the both sides of being responsible for (601) are connected with sideboard (803) through the spring shaft, thick footpath is regional (612) and is connected with coupling assembling (7).
3. The lithium battery solvent recovery device based on green membrane separation technology as claimed in claim 2, characterized in that: coupling assembling (7) are including installing at inside follower rod (701) of thick footpath region (612), clearance board (702) is installed to the other end of follower rod (701), the inner wall of one side outer wall and barrier film (2) of clearance board (702) is laminated mutually, clearance board (702) are used for clearing up the inner wall of barrier film (2), the support frame is installed to the outer wall of barrier film (2), the support frame is used for supporting barrier film (2), annular spout has been seted up to the upper end of support frame, clearance board (702) are connected with the support frame through annular spout.
4. The lithium battery solvent recovery device based on green membrane separation technology as claimed in claim 1, wherein: barrier film (2) and graticule mesh (3) all are the ring shape, graticule mesh (3) are eccentric mounting in the inside of barrier film (2).
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| US11664542B2 (en) * | 2020-12-17 | 2023-05-30 | Ut-Battelle, Llc | Recovery of materials from electrode scraps and spent lithium-ion batteries via a green solvent-based separation process |
| CN114649599B (en) * | 2022-03-23 | 2024-05-14 | 赣州吉锐新能源科技有限公司 | Phase-change homologous gas-mixing separation type lithium battery electrolyte recycling device |
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| JP5360328B1 (en) * | 2013-06-04 | 2013-12-04 | Ｊｏｉｎｔエンジニアリング株式会社 | Method and apparatus for simultaneously recovering lithium salt for electrolyte and organic solvent from waste electrolyte |
| CN106684487A (en) * | 2017-02-28 | 2017-05-17 | 中南大学 | Recovery method for electrolyte of waste lithium ion battery |
| CN108963376A (en) * | 2018-09-10 | 2018-12-07 | 李的根 | A kind of lithium battery recovery process |
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